Portion of a monitor display with graphical user interface



The FIGURE is a front view of a portion of a monitor display with graphical user interface, showing the new design.

The evenly-spaced broken lines depict parts of the graphical user interface that form no part of the claimed design. The long-short broken lines show a portion of a monitor display and form no part of the claimed design. 

CLAIM The ornamental design for a portion of a monitor display with a graphical user interface, as shown and described. 